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什么是深孔?
作者: 发布于:2019-03-14 10:56:24 点击量:

ZAIJIXIEZHIZAOYEZHONG,YIBANJIANGKONGSHENCHAOGUOKONGJING5BEIDEYUANZHUKONGCHENGWEISHENKONG。SHENKONGANKONGSHENYUKONGJINGZHIBI(L/D)DEDAXIAOTONGCHANGKEFENWEIYIBANSHENKONG、ZHONGDENGSHENKONGJITESHUSHENKONGSANZHONG。(ps:L/DDEBIZHIYUEDAJIAGONGQILAIJIUYUEKUNNAN。)

1、L/D>5,SHUYUYIBANSHENKONG,CHANGZAIZUANCHUANGHUOCHECHUANGSHANGYONGJIEZHANGMAHUAZUANJIAGONG

2、L/D=20--30,SHUYUZHONGDENGSHENKONG,CHANGZAICHECHUANGSHANGJIAGONG。

3、L/D=30--100,SHUYUTESHUSHENKONG,BIXUSHIYONGSHENKONGZUANZAISHENKONGZUANCHUANGHUOZHUANYONGSHEBEISHANGJIAGONG。SHENKONGZUANANPAIXIEFANGSHIFENWEIWAIPAIXIEHENEIPAIXIELIANGZHONG:WAIPAIXIEYOUQIANGZUAN、ZHENGTIHEJINSHENKONGZUAN(KEFENWEIYOULENGQUEKONGHEWULENGQUEKONGLIANGZHONG);NEIPAIXIEYOUFENWEIBTA SHENKONGZUAN、PENXIZUANHEDF XITONGSHENKONGZUANSANZHONG。